Audio listening system



FIG. 1 is a front perspective view of an audio listening system showingthe claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures show portions of the audio listeningsystem that form no part of the claimed design.

CLAIM The ornamental design for an audio listening system, as shown anddescribed.